Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
Which of the following symptoms possibly point to a faulty switch port?
a) a group of users consistently experiences delays on the network only at 8:00am on weekdays. b) a user can save files to a network drive, but receives errors when trying to save files on his hard disk c) Twelve users in one department complain that they cannot log on to the network d) a user can send email but can't receive it. |
c) Twelve users in one department complain that they cannot log on to the network
|
|
|
You are helping a user who cannot connect to the internet from her wireless workstation on your company's LAN. After determining that she is the only user having this problem, and that she is not causing the problem, what should you check next?
a) her workstation's wireless connection configuration b) the cabling between her department's switch and the LAN backbone c) Her workgroup's access point d) her segment's router interface |
a) her workstation's wireless connection configuration
|
|
|
While working at the help desk, you take a call from a user who cannot log on to the network. After verifying that this user is the only person affected, you ask for his username and password and try replication the problem. You successfully log on to the network with his username and password from your help desk workstation. Which of the following causes can you then rule out?
a) user error b) Faulty cabling between the user's workstation and the wall jack c) improper protocol configuration on his workstation d) none of the above |
d) none of the above
|
|
|
As a help desk analyst, or first level support technician, which of the following calls are you most likely to escalate to second-level support personnel?
a) a user from the Accounting Department complains that she can't log on to the company's file server b) a user from the Research Department complains that for the last five hours he has not been able to send or receive email from his smartphone c) A manager in the Sales Department complains that none of her 112 salespeople across the country can connect to the company's VPN d) A manager in the Human resource department complains that all the document templates he save to the file server appear to be missing. |
c) A manager in the Sales Department complains that none of her 112 salespeople across the country can connect to the company's VPN
|
|
|
To help you identify the area affected by a problem, which of the following questions might provide the answers you need?
a) when did the problem first occur? b) how frequently does the problem occur? c) How many users have similar symptoms? d) does the problem occur at the same time every day? |
c) How many users have similar symptoms?
|
|
|
You have recently resolved a problem in which a user could not print to a particular shared printer by upgrading her workstation's client software. Which of the following might be an unintended consequence of your solution?
a) the user complains that word processing files on her hard disk take longer to open b) the user is no longer able to log on to the network c) the shared printer no longer allows users to print double-sided documents d) the shared printer no longer responds to form-feed commands from the print server |
b) the user is no longer able to log on to the network
|
|
|
You are troubleshooting a problem that you suspect is caused by an Internet gateway failure. Assuming your organization relies on only one internet gateway, which of the following symptoms would lead you to focus on that gateway as the source of the problem?
a) all users on a network are unable to retrieve email. b) workstations on one segment are experiencing slow response when using collaboration software on the LAN. c) some users on a segment are receiving errors when they attempt to print to any printer d) some workstations on a segment cannot run the same application from the file server |
a) all users on a network are unable to retrieve email.
|
|
|
Which of the following is an example of a network change that could cause only one group of workstations out of the dozen workgroups in your organization to lose connectivity to a local file server?
a) the organization changes its main internet connection from one carrier to another b) the configuration on a switch in the telecommunications closet is upgraded c) the organization upgrades its backbone to 1-gigabit ethernet d) a new backup device is installed and attached to the main file server |
b) the configuration on a switch in the telecommunications closet is upgraded
|
|
|
Which of the following tools could you use to determine whether a user's workstation is transmitting packets in the proper ethernet frame type for your network?
a) protocol analyzer b) continuity tester c) multimeter d) tone generator and tone locator |
a) protocol analyzer
|
|
|
Suppose a user on your organization's network has changed the subnet mask value in his network interface's TCP/IP properties. Which of the following symptoms might he report when he calls the help desk?
a) he cannot connect to the internet b) he cannot print to a shared printer on the network c) he cannot save a document to the network's file server d) All of the above |
d) all of the above
|
|
|
Suppose a client's NIC was set to transmit data in half-duplex mode, while the switch port to which it was attached was configured for a full-duplex mode. Which of the following are likely symptoms of this problem?
a) excessive normal collisions b) giants c) excessive late collisions d) cross talk |
c) excessive late collisions
|
|
|
Which of the following tools would you use to verify that your new cable meets Cat 6a standards?
a) continuity tester b) protocol analyzer c) network monitor d) tone generator and tone locator |
a) continuity tester
|
|
|
What function of a wireless network testing tool measures the amount of interference on a certain channel within a frequency band?
a) network monitor b) spectrum analyzer c) site selector d) protocol analyzer |
b) spectrum analyzer
|
|
|
You are troubleshooting a connectivity problem that you believe is related to a faulty cable between a switch and punch-down block. However, in the disorganized telecommunications closet, it seems impossible to determine which cable belongs to the switch by simply looking at the punch-down block. You decide to use a tone generator and locator to find the cable. Where will you issue the tone?
a) at the punch-down block, near where you think the switch's cable might be b) at the end of the cable connected to the switch's management port c) at the end of the cable that connects the workgroup punch-down block with the entrance facility punch-down block d) at the end of the cable connected to the switch's uplink port. |
d) at the end of the cable connected to the switch's uplink port.
|
|
|
Which of the following frequently results in negative frame sequence checks?
a) noise b) Excessive nodes on a segment c) excessive segment length d) Improper flow control |
a) noise
|
|
|
You have been asked to help solve a problem that suddenly appeared on your company's network. All data transmission has slowed to a crawl. You suspect a DOS attack or broadcast storm. Which of the following tools would help you determine the source of either of these problems?
a) OTDR b) Cable continuity tester c) Butt set d) protocol analyzer |
d) protocol analyzer
|
|
|
You are using your wireless LAN connection to copy documents to a shared folder on your company's file server, when suddenly the connection stalls out. You check your wireless connection status, which indicates that you are still associated with your AP. Next, you run a protocol analyzer program on your workstation, which indicates and excessive number of lost or dropped packets between your workstation and the AP. Which of the following causes could be at fault?
a) another user is attempting ot log on user your username. b) the access point has lost power c) a source of excessive EMI has been introduced d) another AP has been added to the network. |
c) a source of excessive EMI has been introduced
|
|
|
You are troubleshooting a fiber-optic connection on your 1-gigabit LAN backbone. You suspect one of your fiber cross-connects is dirty, resulting in poor performance over the backbone. What tool will help you determine the location of the dirty cross-connect?
a) multimeter b) sniffer c) network monitor d) OTDR |
d) OTDR
|
|
|
You have decided to take a break from your position at a telephone company's help desk and accompany a field technician to learn how to troubleshoot local loops. Which of the following tools will help you verify that a line is receiving dial tone from the CO (central office)?
a) OTDR b) Butt set c) sniffer d) TDR |
d) Butt set
|
|
|
After your internet service provider makes some changes in the way they connect to their network service provider, your organization's connection to a customer's web site becomes noticeably slower. Which of the following troubleshooting tools helps you identify the number of hops between your office and the customer's web site?
a) netstat b) dig c) ping d) traceroute |
d) traceroute
|
